import React from 'react'
import { Button } from 'antd' // 4.x版本已经默认实现了自动按需加载.
// 手动按需加载
// import Button from 'antd/lib/button'

export default function App() {
  return (
    <div>
      App
      <hr />
      <Button type="primary">Button</Button>
    </div>
  )
}
